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1373082440 = 23547730363
BaseRepresentation
bin101000111010111…
…1001001101001000
310112200200211000012
41101311321031020
510303002114230
6344125531052
746012002542
oct12165711510
93480624005
101373082440
11645084184
12323a13a88
1318b615822
14d0506692
1580829395
hex51d79348

1373082440 has 32 divisors (see below), whose sum is σ = 3155172480. Its totient is φ = 537546432.

The previous prime is 1373082439. The next prime is 1373082457. The reversal of 1373082440 is 442803731.

It is a junction number, because it is equal to n+sod(n) for n = 1373082397 and 1373082406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363302 + ... + 367061.

It is an arithmetic number, because the mean of its divisors is an integer number (98599140).

Almost surely, 21373082440 is an apocalyptic number.

1373082440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1373082440 is an abundant number, since it is smaller than the sum of its proper divisors (1782090040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1373082440 is a wasteful number, since it uses less digits than its factorization.

1373082440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 730421 (or 730417 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 1373082440 is about 37055.1270406674. The cubic root of 1373082440 is about 1111.4728817378.

The spelling of 1373082440 in words is "one billion, three hundred seventy-three million, eighty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 47 94 188 235 376 470 940 1880 730363 1460726 2921452 3651815 5842904 7303630 14607260 29214520 34327061 68654122 137308244 171635305 274616488 343270610 686541220 1373082440